Deep Glow is a for Adobe After Effects developed by Plugin Everything, typically priced around $99.95 for the current version (Deep Glow 2). While a "completely free" full version is not officially offered by the developers, you can access a free trial to test its features. Official Trial & Purchase

Works seamlessly with 32-bpc projects for high-end motion graphics.

One reason Deep Glow looks so good is that it works beautifully with high-dynamic-range (HDR) colors. You can make the standard After Effects glow look 50% better just by changing your project settings: Go to . Change Color Depth to 32 Bits per Channel (float) .

Standard After Effects glow effects often handle gamma curves incorrectly, resulting in a glow that looks like a dirty fog rather than a source of light. Deep Glow fixes this by processing the glow in linear color space, giving you rich, vibrant results immediately.

: Drag the plugin file into /Applications/Adobe After Effects [version]/Plug-ins .